ZWO

Automate your focusing Built-in Battery Built-in Focus Adjustment Knob Bluetoo...

Enables temperature monitoring Fits into the ZWO EAF Description In the Box ...

Automate your focusing Payload of 5kg Micron-level precision USB-C Interface ...

For 36mm unmounted filters Easy to install on the telescope and the camera Filters are easy to in...

The 50mm electronic filter wheel is CNC milled from an aircraft-graded aluminum block. Quality guaranteed! Adopting the quality step motors produ...

For 1.25" or 31mm filters Easy to install on the telescope and the camera Filters are easy to ins...

5x positions Compatible with 1.25" and 31mm filters Anti Light Leak Design Mod...

5x positions Compatible with 2" and 50mm filters Anti Light Leak Design Modern...

7x positions Compatible with 2" and 50mm filters Anti Light Leak Design Modern...

7x positions Compatible with 36mm unmounted filters Anti Light Leak Design Mod...

8x positions Compatible with 1.25" and 31mm filters Anti Light Leak Design Mod...

This EOS lens adapter is specially designed to connect EOS lens with 2” EFW.The thread of the interface is M54*0.75, so it cannot be used for 1.25”...

The Short EOS adapter for EFW&Cooled camera(6.5mm backfocus version).Extend distance: 17.5mmThis new type is unadjustable. EOS-T2 support Canon...

Aperture of 107 mm Focal Length of 749mm Focal Ratio of f/7 Quadruplet APO Full Frame Imaging Circle Supported No need for flattener No need to ca...

Shortens the Focal Ratio of the FF107APO & FF130APO Focal Ratio shortened to f/4.9 Reduces th...

Aperture of 130 mm Focal Length of 1000mm Focal Ratio of f/7.7 Quadruplet APO ...

Shortens the Focal Ratio of the FF65APO Focal Ratio from f/6.4 to f/4.8 Reduces the Focal Length to 312mm Reduction Factor of 0.75x Standard 55mm ...

Quintuplet air-spaced APO F/6.4 416mm focal length 65mm aperture ...

Shortens the Focal Ratio of the FF80APO Focal Ratio from f/7.5 to f/5.7 Reduces the Focal Length ...

Quintuplet air-spaced APO High-quality ED glass Small and round stars Support full frame cameras 44mm image circle Description Specifications I...

The New filter Drawer for EOS Lens，26.5mm thickness is independently designed by ZWO and specifically made to match with ASI cooled cameras and EOS...

New filter Drawer with a thickness of 29mm that can be used for carrying 2” filter and connecting ASI cooled cameras to Nikon Lens.It is compatible...

Easily switch 2" mounted filters Eliminates light leaks Compatible with most 2" mounted filters Optical length of 21mm Description Specificatio...

Easily switch 2" mounted filters Eliminates light leaks Compatible with most 2" mounted filters Optical length of 20mm Description Specificatio...